baber/WOPTO huggingface dataset:
Patent KR-20020036124-A (KR)
Title: Apparatus for continuous elimination of Fe in Al alloy using an electromagnetic field
Inventor: KIM GI BAE
IPC: B22D41/00
Filed: 2000-11-08
Abstract: PURPOSE: An apparatus for continuously removing Fe in Al using electromagnetic force is provided which separates and removes Fe contained in Al using the electromagnetic force after generating electromagnetic force. CONSTITUTION: In an apparatus for removing Fe in Al comprising a tilting furnace forming an intermetallic compound by melting Al, an electromagnetic separation zone, a protection maintenance furnace, tungsten electrodes(115,116) guiding DC and an electromagnet guiding the DC magnetic field so that a DC magnetic field is generated in a direction perpendicular to a direction of current generation, the apparatus for continuously removing Fe in Al using electromagnetic force comprises a single separation port which is installed at the end part of the electromagnetic separation zone so as to discharge cleaned molten Al which is separated by electromagnetic force, wherein the electromagnetic separation zone further comprises a circular heater(120) preventing solidification of molten metal.
Patent KR-20020037802-A (KR)
Title: Apparatus for producing inductively coupled plasma
Inventor: BYUN HONG SIK
IPC: H01J37/32
Filed: 2000-11-15
Abstract: PURPOSE: An inductive coupled plasma apparatus is provided to reduce absorption of byproducts functioning as a source of generating undesired particles, by heating parts inside a chamber like a gas distribution plate or the wall of the chamber to 200 deg.C. CONSTITUTION: The chamber(110) forms a closed space. An antenna plate(120) is installed to horizontally divide the closed space. The gas distribution plate(130) is installed horizontally divide the space under the antennal plate, having a plurality of spraying holes. A reaction gas injecting hole is formed in a space between the antennal plate and the gas distribution plate so that reaction gas is sprayed to the space under the gas distribution plate through the spraying holes of the gas distribution plate. An exhaust hole(144) is installed to exhaust the reaction gas injected to the space under the gas distribution plate. A radio frequency(RF) antenna(125) is installed on the antenna plate to generate plasma in the space under the gas distribution plate. A heater plate(140) horizontally divides a space over the antenna plate to heat the chamber, having a plurality of air holes. A heat transfer gas injecting hole(142) is formed in the space over the heater plate so that heat transfer gas is injected into a space between the heater plate and the antenna plate through the air hole of the heater plate. A heat transfer gas exhausting hole is installed to exhaust the heat transfer gas injected into a space between the heater plate and the antenna plate.
Patent KR-20020038005-A (KR)
Title: Conductible fin for evaporator
Inventor: JUNG SEONG HAE
IPC: F28F1/00
Filed: 2000-11-16
Abstract: PURPOSE: A heat transfer fin of evaporator is provided to be easily assembled and to minimize amount of moisture formed on a surface thereof. CONSTITUTION: A heat transfer fin is installed on a heat transfer pipe, forming a passage of refrigerant, parallel to flowing direction of air to expand heat transfer area of the heat transfer pipe. A hydrophobic processed surface(13c) is formed on a surface of a lower end of the heat transfer fin with respect to direction of gravity. A hydrophilic processed surface(13b) is formed on the rest of the surface of the heat transfer fin. The width of the lower end of the heat transfer fin gets gradually narrower to form a vertex(13a) on an end of the heat transfer fin.
Patent KR-20020039890-A (KR)
Title: Adhision method of motorcycle seat and motorcycle seat manufactured by the method
Inventor: BAEK IN SUK
IPC: B29C65/04
Filed: 2000-11-22
Abstract: PURPOSE: A motorcycle seat and a method for bonding the motorcycle seat are provided to improve the workability and the productivity by bonding the motorcycle seat using a high frequency wave with enlarging a bonding portion of the motorcycle seat. CONSTITUTION: A bonding portion of a seat is fixed adjacent to a bonding section(20) of a lower mold(2). An expansion recess(31) of a middle mold(3) is adjacent to the bonding section(20) of the lower mold(2). An upper mold(1) is matched with the lower mold(2) such that a bonding portion of another seat is fixed to a bonding part(10) of the upper mold(1). In a state that the expansion recess(31) of the middle mold(3) is interposed between the upper mold(1) and the lower mold(2), a high frequency wave is generated through the upper mold(1) and the lower mold(2), so that peripheral portions of electric communicating parts(11,21) are molten. The molten part is filled in the expansion recess(31).
Patent KR-20020040353-A (KR)
Title: An automotive brake system having a revived vibrational restriction device
Inventor: KO SANG BEOM
IPC: F16D65/853
Filed: 2000-11-24
Abstract: PURPOSE: A brake system of a vehicle is provided to restrict frictional heat from being converted into vibration energy by converting frictional heat into electric energy in braking, and to improve driving experience by shutting off vibration from the brake disk to a suspension and the vehicle body. CONSTITUTION: A brake disk(10) is placed between pressure pads(21) of a brake assembly installed in a vehicle wheel to stop the vehicle wheel. Plural air vent holes(11) are formed around the brake disk, and an energy converting unit(30) is formed in the air vent hole to convert frictional heat into electrical energy. The energy converting unit consists of a piezoelectric element(31) formed in the air vent hole of the brake disk, and a load element(32) conducting electricity from the piezoelectric element. The frictional heat is prevented from being converted into vibration energy with converting the frictional heat from the brake disk into the electric energy. Vibration from the brake disk is prevented from being transmitted to the suspension and the vehicle body.
Patent KR-20020041206-A (KR)
Title: Etching gas composition of silicone oxides and method of etching silicone oxides using the same
Inventor: HWANG JAE SEONG
IPC: H01L21/768
Filed: 2000-11-27
Abstract: PURPOSE: A gas composition for etching a silicon oxide is provided to easily remove the silicon oxide and to improve an aspect ratio by using the gas composition including a fluoridation carbon gas and a sub-gas made of hydrogen, fluorine and carbon in etching. CONSTITUTION: A gas composition comprises a fluoridation carbon gas made with a chemical formula of 'CxFy,y/x<2', and a sub-gas made with a chemical formula of 'CkHlFm, k, l, and m are constant'. At this point, the fluoridation carbon gas includes double or triple bond among carbon elements, thereby forming polymers having the double or triple bond on a photoresist(222) and improving an etching selectivity of photoresist(222) comparing to a silicon oxide in etching with the gas composition. In result, a contact hole has roughly equal CD(Critical Dimension) in the upper portion and the lower portion of the contact hole.
Patent KR-20010061982-A (KR)
Title: Copper powder and process for producing copper powder
Inventor: MIYOSHI HIROMASA
IPC: H01G4/008
Filed: 2000-11-29
Abstract: PURPOSE: Copper powder and process for producing copper powder are provided, which obtain copper powder capable of obtaining an integrated sintered product free from gaps even in the case sintering temperature is low at the time of forming an external electrode of a laminated ceramic capacitor by sintering to copper powder. CONSTITUTION: The copper powder has an average particle diameter in the range of from not less than 0.1 mum to less than 1.5 mum, that has a narrow particle size distribution width whose value A defined by Equation (1) below in terms of X25, X50 and X75 defined below is not greater than 1.2, and that forms a pseudo-fused sintered product when held at a temperature of 800 deg.C under an atmosphere of inert gas at one atmosphere pressure: A=(X75-X25)/X50 (1), where X25, X50 and X75 are values of particle diameter X corresponding to Q% =25%, 50% and 75% on a cumulative particle-size curve plotted in an orthogonal coordinate system whose abcissa represents particle diameter X (mum) and ordinate represents Q% (ratio of particles present of a diameter not greater than the corresponding value of X; expressed in units of vol % of particles). The copper powder is produced by conducting wet reduction of cuprous oxide into metallic copper powder in the presence of ammonia or an ammonium salt. When used to form the terminal electrodes of multi-layer capacitor, it enables the electrodes to form into solid sintered bodies with few pores by sintering at a low temperature.
Patent KR-20010052030-A (KR)
Inventor: BUESCHKEN WILFRIED
IPC: B01J8/06
Filed: 2000-11-29
Abstract: PURPOSE: A method for the aldol condensation and a use of the aldol condensation product, aldehydes, for the production of an alcohol or a carboxylic acid are provided, to enhance the selectivity, yield and purity of α,β-unsaturated aldehydes and to improve the stability of the material transfer between phases. CONSTITUTION: The aldol condensation reaction by a catalytic reaction using a multi-phase reaction in a tubular reactor is characterized in that the catalyst is included in the continuous phase, at least one kind of aldehyde is included in the disperse phase and the load factor B of the tubular reactor is greater than 0.8. Preferably the carbon number of the aldehyde is 1-15.
Patent KR-20020049908-A (KR)
Title: apparatus for calcining additive material and drying ore using off-gas in fludizied bed reactor
Inventor: CHOI NAK JUN
IPC: C22B1/00
Filed: 2000-12-20
Abstract: PURPOSE: An apparatus for calcining subsidiary raw materials and drying ores using flue gas of a fluidized bed reduction reaction furnace is provided to efficiently perform fluidized bed reduction process by calcining MgCO3 in the subsidiary raw materials using the flue gas of a high temperature and removing moisture of the ores. CONSTITUTION: The apparatus for calcining subsidiary raw materials and drying ores using flue gas of a fluidized bed reduction reaction furnace comprises a calcining part consisting of a calcining furnace(50) to the lower surface of which one end of a first flue gas introduction pipe(42) extended from the upper part of a preheating furnace(40) is connected, and into which subsidiary raw materials are charged, one end of a subsidiary raw material charging pipe(53) extended from the outer surface of the calcining furnace(50) and having a cutout valve(53a) is connected to the preheating furnace(40) so as to calcine the subsidiary raw materials; a drying part consisting of a drying furnace(60) to the lower surface of which one end of a second flue gas introduction pipe(51) extended from the upper part of the calcining furnace(50) is connected, and into which ores are charged, one end of a dried ore charging pipe(63) extended from the outer surface of the drying furnace(60) is connected to the preheating furnace(40) so as to dry ores; and a control part consisting of a manometer(81) measuring a flue gas pressure at the front of a Bischoff scrubber(70), and a thermometer(82) measuring a flue gas temperature at the first flue gas introduction pipe(42) so as to control operation of a switch valve(41) changing a flue gas flow based on measured pressure and temperature values.
Patent KR-20020050643-A (KR)
Title: Defogger for automobile
Inventor: KIM DAE GYU
IPC: B60H3/02
Filed: 2000-12-21
Abstract: PURPOSE: A device for removing moisture for automobile is provided to automatically actuate a hot wire when moisture is formed on a rear glass of a car and to turn off the hot wire when the moisture is removed. CONSTITUTION: A device includes an auxiliary detective device, installed to turn on/off a relay, supplying and intercepting current to hot wires(50), according to light transmissibility of a rear glass; and two humidity sensors(1,2), detecting humidity on the rear glass and outside mirrors to turn on/off the auxiliary detective device. The auxiliary detective device comprises a photo diode, connected to an operating terminal of the relay and installed on an indoor side of the rear glass; an alternator(A), impressing power when the photo diode is turned on; and a lamp(4), emitting light to activate the photo diode when the humidity sensors are turned on and is installed on an outdoor side of the rear glass to corresponding with the photo diode.
Patent KR-20020051254-A (KR)
Title: method of manufacturing hot-rolled steel sheet with high toughness
Inventor: CHO BYEONG YUN
IPC: C21D8/02
Filed: 2000-12-22
Abstract: PURPOSE: A method for manufacturing a hot rolled steel plate is provided to get a low yield rate property and a high toughness property at a low temperature in the hot rolled steel plate so that its yield strength is more than 500Mpa. CONSTITUTION: The method for manufacturing a hot rolled steel plate that has a low yield rate of less than 85 percent and its yield strength of more than 500Mpa, comprises: reheating steel plate consisting of 0.06-0.09 wt. percent of carbon, 1.40-1.60 wt. percent of manganese, 0.15-0.25 wt. percent of silica, 0.2-0.3 wt. percent of molybdenum, 0.04-0.05 wt. percent of niobium, less than 0.05 wt. percent of vanadium; 0.015-0.25 wt. percent of titanium, 50-80ppm nitrogen, less than 180ppm phosphorous, less than 30ppm sulfur, and more than 15ppm calcium at a temperature of 1150 to 1190deg.C; rolling the steel plate under 970deg.C; rolling the steel plate up to more than 75 percent under 850deg.C; and winding the steel plate at a temperature range of 550-620deg.C.
Patent KR-20020054512-A (KR)
Inventor: CHOI BONG
IPC: H01L21/68
Filed: 2000-12-28
Abstract: PURPOSE: An apparatus for transferring a wafer is provided to minimize generation of scratch on the lower surface of a wafer, by rounding the corner portion of a blade arm and by making a wafer holding portion coated with synthetic resins. CONSTITUTION: The operation of a blade link joint is controlled by a drive unit. The blade arm(120) is installed in the end of the blade link joint. The wafer is held in the blade arm. The corner portion(127) of the blade arm is rounded to prevent the blade arm from being broken when the blade arm collides with the wafer.
Patent KR-20020056468-A (KR)
Title: electrically conductive polyamide resin composition and molded product for car component using the same
Inventor: LEE JONG SU
IPC: C08K5/092
Filed: 2000-12-29
Abstract: PURPOSE: Provided are a conductive polyamide resin composition excellent in conductivity, impact resistance, and flexibility which are required for automobile components of fuel system, and flexibility which is advantageous to moulding, and a moulded article produced from the composition. CONSTITUTION: The conductive polyamide resin composition comprises (a) 40-70 wt% of semi-crystalline polyamide resin; (b) 15-40 wt% of thermoplastic elastomer grafted with 0.5-2.0 % of maleic anhydride; (c) 9-20 wt% of carbon black powder; (d) 1-10 wt% of sulfonamide based material of formula 1: R1-SO2-NH-R2(wherein R1 and R2 represent one selected from alkyl, benzyl, phenyl, alkylphenyl and dialkylphenyl, and the alkyl is CnH2n+1(n<=8)); and (e) 0.001-0.02 wt% of dicarboxylic material of formula 2: HOOC(CH2)n-COOH.
Patent KR-20020058249-A (KR)
Inventor: JANG DAL SIK
IPC: B60T15/02
Filed: 2000-12-29
Abstract: PURPOSE: A brake valve is provided to prevent partial side wear of a spool and to discharge air inside an operation start master chamber smoothly by forming a notch part for directly communicating the master chamber and a second drain chamber with a second spool. CONSTITUTION: A brake valve includes a first block(20), a second block(30), a third block(40), and a spool(100). The first block has a booster chamber(24), a first drain chamber(25) and an inflow port(26). The second block has a mater chamber(34) and a discharge port(35). The third block has a second drain chamber communicating with the first drain chamber of the first block, and a drain port(45). The spool is movably arranged on the first block, the second block and the third block, connected with a brake pedal, and selective communicates the inflow port with the booster chamber, and the inflow chamber with the first drain chamber and the master chamber.
Patent KR-20020057054-A (KR)
Title: Apparatus for selecting bank in semiconductor memory device
Inventor: LEE JU SANG
IPC: G11C8/12
Filed: 2000-12-30
Abstract: PURPOSE: A bank selection device of a semiconductor memory is provided to reduce fabrication costs of the semiconductor memory by forming a half chip. CONSTITUTION: A plurality of bank control portions(80-84) includes a multitude of fuses(FA to FN). The bank control portions(80-84) apply fixed logical values to an upper block(50) and a lower bank block(40) according to cutting states of fuses(FA to FN). In addition, the bank control portions(80-84) apply one bank block selected from corresponding bank addresses(BKADDR0 to BKADDR4) and lower bank blocks of the corresponding bank addresses(BKADDR0 to BKADDR4) to the upper bank block(50) and the lower bank block(40), selectively. The upper bank block(50) and the lower bank block(40) include plural banks selected by the bank addresses(BKADDR0 to BKADDR4), respectively. The control portion(80) receives only one bank address(BKADDR0).
Patent KR-20020059092-A (KR)
Inventor: LEE YEO HAN
IPC: B60R25/20
Filed: 2000-12-30
Abstract: PURPOSE: A burglar-proof device for a vehicle is provided to prevent an ignition device of the vehicle from being operated when a burglar operates the ignition device by shutting off power supplied into the vehicle from a battery. CONSTITUTION: An alarm main control device(113) is installed in a vehicle. If a remote controller(119) or a secret code function plate is operated, an electricity shut-off switch(108) of the alarm main control device(113) is operated, so that the power supplied to the vehicle is shut-off, thereby preventing the ignition device from being operated. If other battery is used to operate the ignition device, the battery power is transferred to a reverse-rotation electricity detecting wire(115) so that an emergency lamp(116), a klaxon(117) and an alarm speaker(112) are operated.
Patent KR-20010023002-A (KR)
Title: 미립자 산화철을 포함한 물질의 직접 환원방법 및 이를 위한 장치
IPC: C21B13/06
Filed: 1998-08-12
Abstract: 본 발명은 유동화를 이용하여 미립자 산화철을 포함한 물질을 직접 환원시키는 방법에 관한 것으로서, 이 방법에서 환원용 가스를 위하여 일련의 연속적으로 배열된 다수의 유동층 영역에 합성 가스가 환원용 가스로서 유입되고 상기 환원용 가스는 미립자 산화철을 포함한 물질의 흐름 방향과 반대 방향으로 한 유동층 영역으로부터 다른 유동층 영역으로 이송된다. 
     조업 비용, 특히 에너지 요구량을 감소시키기 위하여 산화철을 포함한 물질의 온도는 제1 유동층 반응기에서 400℃ 이하, 바람직하게는 350℃ 이하, 580℃ 이상, 바람직하게는 약 650℃ 또는 400 내지 580℃의 온도 범위에서 조절되는데, 온도가 400℃ 이하로 조절되는 경우에는 400 내지 580℃의 온도 범위는 최대 10분, 바람직하게는 5분 이내에서 통과되고, 온도가 580℃ 이상으로 조절되는 경우에 400 내지 580℃의 온도 범위는 최대 10분, 바람직하게는 5분 이내에서 통과되고, 또한 온도가 400 내지 580℃의 온도 범위로 조절되는 경우에는 산화철을 포함한 물질은 상기 온도 범위에서 최대 10분, 바람직하게는 5분 이내에서 유지되고 원하는 온도에 도달한 직후에 다음 유동층 영역으로 이송된다.
Patent KR-20010023262-A (KR)
Title: 오디오신호처리장치 및 오디오장치
IPC: H04S1/00
Filed: 1999-07-09
Abstract: 적어도 좌채널의 오디오신호와 우채널의 오디오신호와 센터채널의 오디오신호와가 공급되는 입력부와, 입력부에 각각 공브되는 좌채널의 오디오신호와 우채널의 오디오신호와 센터채널의 오디오신호를 각각 출력하는 제 1출력단자부와, 좌채널의 오디오신호에 센터채널의 오디오신호를 혼합하여 우채널의 오디오신호에 센터채널의 오디오신호를 혼합하여 2채널의 오디오신호로서 출력하는 혼합부와, 혼합부로부터의 2채널의 오디오신호를 출력하는 제 2출력단자부와를 갖추고 있는 오디오신호 재생장치.
Patent KR-20010024207-A (KR)
Title: 절연 게이트형 바이폴라 반도체 장치
IPC: H01L29/739
Filed: 1998-01-22
Abstract: 에미터 전극과 에미터 불순물 영역 내 게이트 전극 부근의 한점 사이에 발생되는 전기적 저항이, 순방향 전압 강하와 반도체 장치의 스위칭 특성을 희생시키지 않으면서 부하 단락 회로 안정화 동작 영역(load short-circuit safe operating area)으로 연장하도록 에미터 전극과 직접 접촉하는 에미터 불순물 영역으로의 거리에 관계없이 일정한 값을 취할 수 있도록 구성되는 절연 게이트형 바이폴라 반도체 장치가 제공된다.
Patent KR-20010031673-A (KR)
Title: 안착형 브릿지 밀봉부
IPC: F16J15/08
Filed: 1999-08-30
Abstract: 본 발명은 간극을 규정하는 원주방향의 스플릿을 갖는 밀봉 링을 구비한다.궁형 브릿지는 상기 간극을 가로질러 연장되며 상기 밀봉 링에서 안착된다.  브릿지는 그들 사이의 차동 원주방향 운동을 제한하기 위해서 단지 마찰식으로 밀봉 링과 결합하는 고정 단부를 구비한다.  브릿지는 그들 사이의 차동 원주방향 운동을 허용하도록 상기 고정 단부보다 마찰력이 작은, 간극의 대향 단부상의 밀봉 링과 결합하는 슬립 단부를 포함한다.
Patent KR-20010032586-A (KR)
Title: 차량에서 기어의 수동변환 방법 및 장치
IPC: G05G9/04
Filed: 1998-12-03
Abstract: 본 발명은 컴퓨터(4)의 도움으로 기어레버(1)에 의해 차량의 기어박스(6)를 작동하는 방법으로서, 컴퓨터는 마찰장치(8), 아날로그형 모터, 스텝핑모터 또는 흡인력/반발력을 제어할 수 있는 자석장치를 제어하여 기어레버의 이동상태에 대해 적합한 인식가능형 표시를 제공할 수 있으며, 필요에 따라 적절한 제어를 통해 기어레버의 이동을 늦추거나 차단할 수 있다. 본 발명은 또한 이러한 방법을 실행하는 전기제어식 마찰장치에 관한 것이다.
Patent KR-20020061829-A (KR)
Title: Manufacturing method for a 3d image display member
Inventor: CHANG YEN-MING
IPC: G02B27/22
Filed: 2001-01-18
Abstract: PURPOSE: A method for fabricating a 3D image display is provided, which has an image display part for right eye and an image display part for left eye. CONSTITUTION: The 3D image display has an image display part for right eye(a) and an image display part for left eye(b). According to the method, a phase difference film(3) is formed by intervening an adhesive(2) on a transparent support member. Continuously, a plurality of dented grooves(8) installed from one side to another side continuously on the corresponding phase difference film are formed by cutting a part of the phase difference film with an ultra steep blade. Then, a display member(5) is overlapped or attached to the phase difference film.
Patent KR-20020065207-A (KR)
Title: Coating to prevent breakage of hollow fiber membrane
Inventor: CHANG JIN HO
IPC: B01D63/02
Filed: 2001-02-06
Abstract: PURPOSE: A coating is provided to prevent cutting or breakage of hollow fiber membrane due to an external impact such as aeration by coating an epoxy adhered area of one side or both sides of an adhesion fixing part of the hollow fiber membrane used in a submerged type hollow fiber membrane module. CONSTITUTION: The hollow fiber membrane for water treatment comprises a hollow fiber membrane(1) and a coating material(6) for coating the hollow fiber membrane(1), wherein the coated hollow fiber membrane is adhered to the collector(2) after filling fillers and adhesives such as epoxy or urethane into a collector(2) of a submerged type hollow fiber membrane module, one side or both sides of the hollow fiber membrane are coated with various coating materials before the coated hollow fiber membrane is filled and adhered to the collector(2) of the module so as to increase durability of the hollow fiber membrane(1), and wherein repairing cost of the module due to cutting of the hollow fiber membrane is decreased by covering one side or both sides of the hollow fiber membrane, thereby reinforcing durability and tensile force thereof, treatment efficiency of water to be treated is increased while various costs are reduced by extending service lifetime of the hollow fiber membrane, and durability of the hollow fiber membrane is increased only by simple coating without complicated process including weaving the hollow fiber membrane using yarn so that costs according to fabrication of the module are reduced.
Patent KR-20010035407-A (KR)
Inventor: LEE DONG GI
IPC: G06F11/00
Filed: 2001-02-12
Abstract: PURPOSE: A security method of a password using a time interval verification technique is provided to control a leakage of data, and to manage a user by using data on character and time interval as a data encoding key, and by generating data needed to a commerce authentication or an encoding. CONSTITUTION: If a general computer user has to unwillingly leave his/her seat in the process of an important document work and other secret works, the user puts restrictions on the other users using a user password. In case that the user uses a keyboard at the time for inputting the password, the password can be leaked to neighbors. A computer restricted to use cannot be removed by a character of the password leaked.